Cooling water circulation monitoring equipment

Abstract

The utility model relates to the technical field of mold cooling, in particular to cooling water circulation monitoring equipment which comprises a water inlet section, a water return section and a second detector used for detecting the flowing state of return water, a first water inlet is formed in one end of the water inlet section, a first water outlet is formed in the other end of the water return section, and a second water inlet is formed in one end of the water return section. A water supplementing section is connected between the water inlet section and the water return section, the two ends of the water supplementing section are communicated with the water inlet section and the water return section respectively, and the second detector is arranged on the water return section and located between the water supplementing section and the second water inlet; when the cooling waterway is blocked in a low-temperature environment, cooling water in the water inlet section flows back to the water distribution row after being supplemented into the water return section through the water supplementing section, so that the cooling water in the water distribution row keeps flowing, the monitoring equipment can play a role in monitoring the cooling waterway more stably, and the situation that the cooling water in the water distribution row is frozen and stops working or is damaged is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mould cooling, more particularly to a cooling water circulation monitoring device. BACKGROUND

[0002] In the injection molding process, the mold cooling system plays a vital role; in the injection molding process, the cooling time accounts for most of the entire molding cycle, and the cooling circulation unobstructed can significantly reduce the cooling time and improve the circulation efficiency. Nowadays, whether the cooling water circulation is normal needs to be checked manually, which is time-consuming and laborious.

[0003] Patent CN115301922A discloses a cooling real-time control system and method for die casting mold, wherein the cooling real-time control system for die casting mold includes a water inlet pipe and a water return pipe, the water inlet pipe is connected to the water inlet end of the mold cooling water channel, the water return pipe is used to connect the water outlet end of the mold cooling water channel, the water inlet pipe includes a water inlet main pipe and a plurality of water inlet branch pipes connected to the water inlet main pipe, one water inlet branch pipe is connected to the water inlet end of one cooling water channel, the water return pipe is provided with a plurality of water return pipes, one water return pipe is connected to the water outlet end of one cooling water channel, and the water return pipe further includes a water return bucket, the water return bucket is used to receive cooling water from the water return pipe, the water return bucket is connected to a cooling pool, the cooling pool is used to cool the cooling water from the water return bucket, and the cooling pool is connected to the water inlet main pipe; including a controller, a solenoid valve, a flow meter, a water flow detector and an alarm; the flow meter is used to detect the water flow of the water inlet pipe and feed back the detection result to the controller; the water flow detector is used to detect the water flow of the water return pipe and feed back the detection result to the controller, the controller compares the water flow detection result fed back by the water flow detector with the water flow detection result fed back by the flow meter and sends out a water flow abnormal signal, the present application can monitor the blockage of the mold cooling water channel and avoid the product batch failure caused by the blockage of the cooling water channel and the delay in cleaning. However, in the above-mentioned scheme, when the cooling water channel is blocked in a low-temperature environment, the cooling water in the water inlet pipe flows slowly, which may cause the water inlet pipe to freeze, making it difficult to continue the monitoring work of the cooling water channel, and even causing damage to the equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiency that the cooling water blockage in the prior art may cause the water inlet pipe to freeze and make it difficult to complete the monitoring work, and provides a cooling water circulation monitoring device, so that the water in the water inlet path keeps flowing and does not freeze.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] The application provides a cooling water circulation monitoring device, which comprises a water inlet section, a water return section and a second detector for detecting the flow state of cooling water in the water return section.

[0007] The first water inlet and the first water outlet of the water inlet section are connected to the water outlet of the water distribution row and the water inlet of the mold cooling water path respectively, and the second water inlet and the second water outlet of the water return section are connected to the water outlet of the mold cooling water path and the water inlet of the water distribution row respectively.

[0008] Further, the water supplement section is provided with a one-way valve, the liquid inlet end of the one-way valve is communicated with the water inlet section, and the liquid outlet end of the one-way valve is communicated with the water return section.

[0009] Further, the one-way valve comprises a valve body, a ball and an elastic member, the inner wall of the valve body is provided with a liquid inlet and a liquid outlet, the liquid inlet is located at the liquid inlet end of the one-way valve, the liquid outlet is located at the liquid outlet end of the one-way valve, one end of the elastic member is in abutment with the inner wall of the liquid outlet end of the one-way valve, the other end of the elastic member is in abutment with the ball, the diameter of the ball is greater than that of the liquid inlet, and the ball is in abutment with the edge of the liquid inlet.

[0010] Further, the water supplement section is provided with a water supplement valve. When the second detector detects that the flow state of the cooling water in the water return section is normal, the water supplement valve is kept closed, so that the waste of the cooling water is reduced; when the second detector detects that the flow state of the cooling water in the water return section is abnormal, the water supplement valve is opened, so that the cooling water is supplemented from the water inlet section to the water return section, and the water distribution row is prevented from freezing; after the fault is eliminated, the water supplement valve is closed, and the mold cooling is continued.

[0011] Further, the water replenishing valve is a ball valve.

[0012] Further, the water replenishing valve is provided with an electric control switch.

[0013] Further, a thermostat is further included, and the water inlet section and the water return section are located in the thermostat.

[0014] Further, a first detector for detecting the flow state of the cooling water in the water inlet section is further included, and the first detector is arranged on the water inlet section and located between the water replenishing section and the first water outlet.

[0015] Further, the first detector is a flow speed detector.

[0016] Further, the second detector is a flow detector.

[0017] Compared with the prior art, the cooling water circulation monitoring device has the following advantages:

[0018] The cooling water circulation monitoring device has the following advantages: 1. The cooling water in the water inlet section is replenished into the water return section through the water replenishing section, and then flows back into the water distribution row through the second water outlet, so that the cooling water in the water distribution row keeps flowing, and the monitoring device can more stably monitor the cooling water circuit and will not stop working or be damaged due to the freezing of the cooling water in the water distribution row; 2. The one-way valve prevents the water in the water return section from entering the water inlet section and affecting the cooling effect; and 3. The flow state of the cooling water in the water inlet section and the water return section is compared, so that the circulation of the cooling water can be better judged. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Fig. 1 is a first structural schematic view of the cooling water circulation monitoring device;

[0020] Figure 2 It is the second structural schematic view of the cooling water circulation monitoring equipment of the utility model;

[0021] Figure 3 It is the structural schematic view of the water supplement section of the cooling water circulation monitoring equipment of the utility model.

[0022] In the drawing: 1, water inlet section; 11, first water inlet; 12, first water outlet; 13, first detector; 2, backwater section; 21, second water inlet; 22, second water outlet; 23, second detector; 3, water supplement section; 31, check valve; 311, valve body; 312, ball; 313, elastic member; 32, water supplement valve; 321, electric control switch; 4, constant temperature box. DETAILED DESCRIPTION

[0023] The utility model will be further explained in combination with specific implementation. Among them, the drawing is only used for example explanation, and the representation is only schematic diagram, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawing will be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, it is understandable that some well-known structures in the drawing and their description can be omitted.

[0024] The same or similar reference numerals in the drawing of the embodiment of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" etc. is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore the position relationship description in the drawing is only used for example explanation, and cannot be understood as the limitation of the patent, for the ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0025] Embodiment one

[0026] As Figures 1 to 3 It is the first embodiment of the cooling water circulation monitoring equipment of the utility model, including water inlet section 1, backwater section 2 and the second detector 23 for detecting the flow state of cooling water in backwater section 2, one end of water inlet section 1 is equipped with first water inlet 11, the other end is equipped with first water outlet 12, one end of backwater section 2 is equipped with second water inlet 21, the other end is equipped with second water outlet 22, water supplement section 3 is communicated between water inlet section 1 and backwater section 2, the second detector 23 is arranged on backwater section 2, and is located between water supplement section 3 and second water inlet 21.

[0027] The cooling water circulation monitoring equipment of the utility model, likeFigure 1 and Figure 2 As shown in the figure, the first water inlet 11 and the first water outlet 12 of the water inlet section 1 are connected to the water outlet of the water distribution row and the water inlet of the mold cooling water circuit respectively, and the second water inlet 21 and the second water outlet 22 of the water return section 2 are connected to the water outlet of the mold cooling water circuit and the water inlet of the water distribution row respectively; during the circulation of the cooling water, the second detector 23 detects the flow state of the cooling water in the water return section 2, so as to monitor the circulation of the cooling water circuit; in a low-temperature environment, when the cooling water circuit is blocked, the cooling water entering the water return section 2 from the cooling water circuit is reduced, and the cooling water in the water inlet section 1 is supplemented into the water return section 2 through the water supplement section 3, and then flows back to the water distribution row through the second water outlet 22, so that the cooling water in the water distribution row keeps flowing, and the monitoring device can more stably play a role in monitoring the cooling water circuit and will not stop working or be damaged due to the freezing of the cooling water in the water distribution row.

[0028] As shown in the figure, the first water inlet 11 and the first water outlet 12 of the water inlet section 1 are connected to the water outlet of the water distribution row and the water inlet of the mold cooling water circuit respectively, and the second water inlet 21 and the second water outlet 22 of the water return section 2 are connected to the water outlet of the mold cooling water circuit and the water inlet of the water distribution row respectively; during the circulation of the cooling water, the second detector 23 detects the flow state of the cooling water in the water return section 2, so as to monitor the circulation of the cooling water circuit; in a low-temperature environment, when the cooling water circuit is blocked, the cooling water entering the water return section 2 from the cooling water circuit is reduced, and the cooling water in the water inlet section 1 is supplemented into the water return section 2 through the water supplement section 3, and then flows back to the water distribution row through the second water outlet 22, so that the cooling water in the water distribution row keeps flowing, and the monitoring device can more stably play a role in monitoring the cooling water circuit and will not stop working or be damaged due to the freezing of the cooling water in the water distribution row. Figure 1 As shown in the figure, the first water inlet 11 and the first water outlet 12 of the water inlet section 1 are connected to the water outlet of the water distribution row and the water inlet of the mold cooling water circuit respectively, and the second water inlet 21 and the second water outlet 22 of the water return section 2 are connected to the water outlet of the mold cooling water circuit and the water inlet of the water distribution row respectively; during the circulation of the cooling water, the second detector 23 detects the flow state of the cooling water in the water return section 2, so as to monitor the circulation of the cooling water circuit; in a low-temperature environment, when the cooling water circuit is blocked, the cooling water entering the water return section 2 from the cooling water circuit is reduced, and the cooling water in the water inlet section 1 is supplemented into the water return section 2 through the water supplement section 3, and then flows back to the water distribution row through the second water outlet 22, so that the cooling water in the water distribution row keeps flowing, and the monitoring device can more stably play a role in monitoring the cooling water circuit and will not stop working or be damaged due to the freezing of the cooling water in the water distribution row.

[0029] In this embodiment, the water inlet section 1, the water return section 2 and the water supplement section 3 are provided in multiple groups, and each group of the water inlet section 1, the water return section 2 and the water supplement section 3 is connected to one cooling water circuit, so as to realize the monitoring of all the cooling water circuits of the mold.

[0030] The working principle of the cooling water circulation monitoring device of the embodiment is as follows: the first water inlet 11 and the first water outlet 12 of the water inlet section 1 are connected to the water outlet of the water distribution row and the water inlet of the mold cooling water circuit respectively, and the second water inlet 21 and the second water outlet 22 of the water return section 2 are connected to the water outlet of the mold cooling water circuit and the water inlet of the water distribution row respectively, the cooling water in the water distribution row flows into the water inlet section 1 through the first water inlet 11, and then flows into the cooling water circuit of the mold through the first water outlet 12, cools the mold, and then flows into the water return section 2 through the second water inlet 21, and then flows into the water distribution row through the second water outlet 22, to complete a circulation of the cooling water; during the circulation of the cooling water, the second detector 23 detects the flow state of the cooling water in the water return section 2, and when the second detector 23 detects that the flow or flow rate of the cooling water in the water return section 2 is abnormal, the cooling water circuit where the abnormality occurs is investigated and repaired; in a low-temperature environment, the constant temperature box 4 can ensure that the cooling water in the water inlet section 1, the water return section 2 and the water supplement section 3 does not freeze; when the cooling water circuit is blocked, the cooling water entering the water return section 2 from the cooling water circuit is reduced, and the cooling water in the water inlet section 1 is supplemented into the water return section 2 through the water supplement section 3, and then flows back to the water distribution row through the second water outlet 22, so that the cooling water in the water distribution row keeps flowing, and the monitoring device can more stably play a role in monitoring the cooling water circuit and will not stop working or be damaged due to the freezing of the cooling water in the water distribution row.

[0031] Embodiment two

[0032] This embodiment is a second embodiment of the cooling water circulation monitoring device of the utility model, which is similar to the first embodiment, except that, as shown in Figure 3 The one-way valve 31 is provided on the water supplement section 3, the liquid inlet end of the one-way valve 31 is communicated with the water inlet section 1, and the liquid outlet end of the one-way valve 31 is communicated with the water return section 2. The one-way valve 31 can prevent the water in the water return section 2 from entering the water inlet section 1, thereby affecting the cooling effect.

[0033] As shown in Figure 3 The one-way valve 31 comprises a valve body 311, a ball 312 and an elastic member 313. The inner wall of the valve body 311 is provided with a liquid inlet and a liquid outlet. The liquid inlet is located at the liquid inlet end of the one-way valve 31, and the liquid outlet is located at the liquid outlet end of the one-way valve 31. One end of the elastic member 313 is in abutment with the inner wall of the liquid outlet end of the one-way valve 31, and the other end is in abutment with the ball 312. The diameter of the ball 312 is greater than that of the liquid inlet, and the ball 312 is in abutment with the edge of the liquid inlet. The cooling water in the water inlet section 1 flows into the water supplement section 3, extrudes the ball 312, deforms the elastic member 313, and the ball 312 is separated from the liquid inlet. The cooling water enters the valve body 311 through the liquid inlet, flows out of the valve body 311 through the liquid outlet, and enters the water return section 2. In this embodiment, the elastic member 313 is a spring.

[0034] A water supplement valve 32 is provided on the water supplement section 3. By operating the water supplement valve 32, the timing of supplementing the cooling water in the water inlet section 1 into the water return section 2 can be controlled. When the second detector 23 detects that the flow state of the cooling water in the water return section 2 is normal, the water supplement valve 32 is kept closed to reduce the waste of cooling water. When the second detector 23 detects that the flow state of the cooling water in the water return section 2 is abnormal, the water supplement valve 32 is opened to supplement the cooling water from the water inlet section 1 into the water return section 2, thereby preventing the water distribution from freezing. After the fault is eliminated, the water supplement valve 32 is closed to continue the mold cooling.

[0035] The water supplement valve 32 is a ball valve. The ball valve has small fluid resistance, simple operation and good sealing performance.

[0036] An electric control switch 321 is provided on the water supplement valve 32. The operation of the water supplement valve 32 can be simplified, and the efficiency can be improved.

[0037] The working principle of the cooling water circulation monitoring device of this embodiment is as follows: when the second detector 23 detects that the flow state of the cooling water in the water return section 2 is abnormal, the water supplement valve 32 is opened to make the cooling water from the water inlet section 1 into the water supplement section 3. The cooling water in the water supplement section 3 extrudes the ball 312 of the one-way valve 31, deforms the elastic member 313, and the ball 312 is separated from the liquid inlet. The cooling water enters the valve body 311 through the liquid inlet, flows out of the valve body 311 through the liquid outlet, enters the water return section 2, and flows into the water distribution with the cooling water in the water return section 2, so that the cooling water in the water distribution keeps flowing, thereby preventing the water distribution from freezing in a low temperature environment.

[0038] Embodiment three

[0039] This embodiment is a third embodiment of the cooling water circulation monitoring device of the utility model, and the difference between this embodiment and embodiment three is that, as shown in Figure 1 and Figure 2 the first detector 13 for detecting the flow state of the cooling water in the water inlet section 1 is further included, the first detector 13 is arranged on the water inlet section 1 and located between the water supplement section 3 and the first water outlet 12. The cooling water flow conditions in the water inlet section 1 and the backwater section 2 are respectively detected by the first detector 13 and the second detector 23, and the circulation condition of the cooling water can be better judged by comparing the cooling water flow conditions in the water inlet section 1 and the backwater section 2.

[0040] The first detector 13 is a flow rate meter. When the first detector 13 detects that the flow rate of the water inlet section 1 is normal and the second detector 23 detects that the flow rate or flow of the backwater section 2 is normal, the circulation of the cooling water circuit is normal; when the first detector 13 detects that the flow rate of the water inlet section 1 is normal and the second detector 23 detects that the flow rate or flow of the backwater section 2 is small or stopped, the mold cooling water circuit may have a water leakage; when the first detector 13 detects that the flow rate of the water inlet section 1 is slow or stopped and the second detector 23 detects that the flow rate or flow of the backwater section 2 is small or stopped, the mold cooling water circuit may be blocked.

[0041] The second detector 23 is a flow meter. When the second detector 23 detects that the flow of the backwater section 2 is normal, the circulation of the cooling water circuit is normal; when the second detector 23 detects that the flow of the backwater section 2 is small, the mold cooling water circuit may have a water leakage or be blocked.

[0042] The working principle of the cooling water circulation monitoring device of the embodiment is as follows: the first water inlet 11 and the first water outlet 12 of the water inlet section 1 are connected to the water outlet of the water distribution row and the water inlet of the mold cooling water circuit respectively, the second water inlet 21 and the second water outlet 22 of the water return section 2 are connected to the water outlet of the mold cooling water circuit and the water inlet of the water distribution row respectively, the water replenishing valve 32 is kept closed, and the cooling water is circulated; when the first detector 13 detects that the flow rate of the water inlet section 1 is normal and the second detector 23 detects that the flow rate of the water return section 2 is normal, the circulation of the cooling water circuit is normal; when the first detector 13 detects that the flow rate of the water inlet section 1 is normal and the second detector 23 detects that the flow rate or flow speed of the water return section 2 is small or stops, the mold cooling water circuit may leak, and the mold cooling water circuit is checked and repaired; when the first detector 13 detects that the flow rate of the water inlet section 1 is slow or stops and the second detector 23 detects that the flow rate of the water return section 2 is small or stops, the mold cooling water circuit may be blocked, the water replenishing valve 32 is opened, the cooling water in the water inlet section 1 is replenished into the water return section 2 through the water replenishing section 3, and flows back to the water distribution row, so that the cooling water in the water distribution row keeps flowing, the cooling water in the water distribution row is prevented from freezing, the machine table is prevented from being damaged, and the mold cooling water circuit is checked and repaired.

[0043] In the specific contents of the above specific embodiments, any non-contradictory combination of technical features can be made, and in order to make the description simple, all possible combinations of the above technical features are not described, however, as long as the combination of the technical features does not exist, it should be considered that it is within the scope of the present application.

[0044] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not a limitation on the embodiments of the present application. For those skilled in the art, other different forms of changes or modifications can be made on the basis of the above description. Here, all the embodiments are not exhausted. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cooling water circulation monitoring apparatus characterized by comprising: The water inlet section (1), the water return section (2) and the second detector (23) for detecting the cooling water flow state in the water return section (2) are included, one end of the water inlet section (1) is provided with a first water inlet (11), the other end is provided with a first water outlet (12), one end of the water return section (2) is provided with a second water inlet (21), the other end is provided with a second water outlet (22), the water inlet section (1) and the water return section (2) are communicated with the water supplement section (3), the second detector (23) is arranged on the water return section (2) and located between the water supplement section (3) and the second water inlet (21).

2. The cooling water circulation monitoring apparatus according to claim 1, characterized by The water supplement section (3) is provided with a one-way valve (31), the liquid inlet end of the one-way valve (31) is communicated with the water inlet section (1), and the liquid outlet end of the one-way valve (31) is communicated with the water return section (2).

3. The cooling water circulation monitoring apparatus according to claim 2, characterized by The one-way valve (31) includes a valve body (311), a ball (312) and an elastic member (313), the inner wall of the valve body (311) is provided with a liquid inlet and a liquid outlet, the liquid inlet is located at the liquid inlet end of the one-way valve (31), the liquid outlet is located at the liquid outlet end of the one-way valve (31), one end of the elastic member (313) abuts against the inner wall of the liquid outlet end of the one-way valve (31), the other end abuts against the ball (312), the diameter of the ball (312) is greater than that of the liquid inlet, and the ball (312) abuts against the edge of the liquid inlet.

4. The cooling water circulation monitoring apparatus according to claim 1, characterized by The water supplement section (3) is provided with a water supplement valve (32).

5. The cooling water circulation monitoring apparatus according to claim 4, characterized by The water supplement valve (32) is a ball valve.

6. The cooling water circulation monitoring apparatus according to claim 4, wherein The water supplement valve (32) is provided with an electric control switch (321).

7. The cooling water circulation monitoring apparatus according to claim 1, wherein A thermostat (4) is further included, and the water inlet section (1) and the water return section (2) are located in the thermostat (4).

8. The cooling water circulation monitoring apparatus according to claim 1, wherein A first detector (13) for detecting the cooling water flow state in the water inlet section (1) is further included, the first detector (13) is arranged on the water inlet section (1) and located between the water supplement section (3) and the first water outlet (12).

9. The cooling water circulation monitoring apparatus according to claim 8, characterized by The first detector (13) is a flowmeter.

10. The cooling water circulation monitoring apparatus according to claim 1, characterized by The second detector (23) is a flowmeter.

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